487222747 has 4 divisors (see below), whose sum is σ = 531515736. Its totient is φ = 442929760.

The previous prime is 487222741. The next prime is 487222759. The reversal of 487222747 is 747222784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487222747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487222741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22146478 + ... + 22146499.

It is an arithmetic number, because the mean of its divisors is an integer number (132878934).

Almost surely, 2^487222747 is an apocalyptic number.

487222747 is a deficient number, since it is larger than the sum of its proper divisors (44292989).

487222747 is a wasteful number, since it uses less digits than its factorization.

487222747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44292988.

The product of its digits is 351232, while the sum is 43.

The square root of 487222747 is about 22073.1227287849. The cubic root of 487222747 is about 786.8812289583.

The spelling of 487222747 in words is "four hundred eighty-seven million, two hundred twenty-two thousand, seven hundred forty-seven".